*{
    margin: 0;
    padding: 0;
    list-style: none;
    text-decoration: none;
}
.BIGbox{
    width: 100%;
    background-color: black;
    .box_title{
        width: 1280px;
        background-image: url(../img/bgmp3.png);
        background-size: 1280px 802px;
        background-repeat: no-repeat;
        margin: 0 auto;
        .box_title_w{
            width: 100%;
            background-color: white;
            .box_title_home{
                height: 125px;
                overflow: hidden;
                margin: 0 auto;
                width: 947px;
                ul{
                    margin-right: 9px;
                    margin-top: 15px;
                    float: right;
                    li{
                        color: #b3b2b2;
                        float: left;
                        font-size: 14px;
                        a{
                            color: #b3b2b2;
                            font-size: 12px;
                        }
                    }
                }
                img{
                    margin-top: 49px;
                    margin-left: 9px;
                }
                .nav{
                    float: right;
                    ul{
                        margin-top: -27px;
                        li{
                            a{
                                font-size: 13px;
                                line-height: 27px;
                                color: #7a7878;
                                text-align: center;
                                display: block;
                                margin-left: 26px;
                                position: relative; 
                                }
                                a:hover{
                                    color: red;
                                }
                                a:after{
                                    position: absolute;
                                    content: "";
                                    width: 50px;
                                    height: 4px;
                                    background-color: #1abc9c;
                                    display: none;
                                    margin: 0 auto;
                                    right: 50%;
                                    transform: translate(50%);
                                    margin-top: 5px;
                                }
                                a:hover::after{
                                    display: block;
                                }
                            }
                        }
                    }
                }
        }
            .title_imgs{
                height: 640px;
                overflow: hidden;
                .title_imgs_span{
                    color: white;
                    overflow: hidden;
                    .title_imgs_span1{
                        font-size: 18px;
                        line-height: 18px;
                        margin-top: 184px;
                        margin-left: 475px;
                        float: left;
                    }
                    .title_imgs_span2{
                        font-size: 28px;
                        float: left;
                        margin-top: 235px;
                        margin-left: -200px;
                    }
                }
                .title_imgs_img{
                    width: 558px;
                    height: 488px;
                    margin-top: -150px;
                    img{
                        width: 100%;
                    }
                }
            }
            .us{
                height: 352px;
                width: 1280px;
                background-color: wheat;
            }
            .wedo{
                width: 1280px;
                height: 460px;
                background-color: #38373d;
                overflow: hidden;
                .wedo_p{
                    color: white;
                    text-align: center;
                    margin-top: 34px;
                    .wedo_p_e{
                        font-size: 21px;
                    }
                    .wedo_p_c{
                        font-size: 16px;
                    }
                }
                .wedo_do{
                    margin: 40px auto 0;
                    width: 740px;
                    .wedo_doing{
                        width: 180px;
                        float: left;
                        .wedo_doing_img{
                            width: 120px;
                            height: 120px;
                            margin: 0 auto;
                        }
                        p{
                            color: white;
                        }
                        .wedo_doing_p1{
                            font-size: 17px;
                            text-align: center;
                            line-height: 17px;
                            margin-top: 27px;
                            margin-bottom: 32px;
                        }
                        .wedo_doing_p2,.wedo_doing_p3,.wedo_doing_p4{
                            font-size: 12px;
                            text-align: center;
                        }
                    }
                }
            }
            .new{
                width: 1280px;
                height: 540px;
                overflow: hidden;
                background-color: white;
                .new_top{
                    width: 610px;
                    border-bottom: #B3B2B2 2px solid;
                    height: 45px;
                    margin: 0 auto;
                    margin-top: 50px;
                    p{
                        font-size: 23px;
                        text-align: center;
                        line-height: 23px;
                    }
                }
                .new_bottom{
                    width: 808px;
                    overflow: hidden;
                    margin: 0 auto;
                    .new_bottom_mis{
                        overflow: hidden;
                        width: 50%;
                        float: left;
                        margin-top: 30px;
                        .new_bottom_mis_img{
                            background-image: url(../img/new_ejbj.png);
                            width: 81px;
                            height: 90px;
                            float: left;
                            img{
                                margin-left: 21px;
                                margin-top: 26px;
                            }
                        }
                        a{
                            color: #666;
                            .new_bottom_mis_text{
                                width: 274px;
                                height: 46px;
                                float: left;
                                margin: 33px 0 0 21px;
                                overflow: hidden;
                                position: relative;
                                span{
                                    font-size: 13px;
                                    float: left;
                                }
                                p{
                                    font-size: 13px;
                                    float: right;
                                    position: absolute;
                                    top: 18px;
                                    left: 185px;
                                }
                            }
                        }
                    }
                }
            }
            .product{
                width: 1280px;
                height: 566px;
                margin: 0 auto;
                background-image: url(../img/product.png);
                background-repeat: no-repeat;
                overflow: hidden;
                .product_top{
                    width: 610px;
                    border-bottom: #B3B2B2 2px solid;
                    height: 45px;
                    margin: 0 auto;
                    margin-top: 50px;
                    p{
                        font-size: 23px;
                        text-align: center;
                        line-height: 23px;
                        color: white;
                    }
                }
                .product_mid{
                    width: 1124px;
                    margin: 32px auto 0;
                    height: 381px;
                    overflow: hidden;
                    .product_mid_left{
                        width: 69px;
                        margin-top: 150px;
                        float: left;
                        height: 69px;
                        img{
                            width: 100%;
                        }
                    }
                    .product_mid_midl{
                        height: 251px;
                        margin-top: 130px;
                        float: left;
                        width: 251px;
                        img{
                            width: 100%;
                        }
                    }
                    .product_mid_mid{
                        width: 381px;
                        float: left;
                        height: 381px;
                        margin: 0 50px;
                        img{
                            width: 100%;
                        }
                    }
                    .product_mid_midr{
                        height: 251px;
                        margin-top: 130px;
                        float: left;
                        width: 251px;
                        img{
                            width: 100%;
                        }
                    }
                    .product_mid_right{
                        height: 69px;
                        margin-top: 150px;
                        float: left;
                        width: 69px;
                        img{
                            width: 100%;
                        }
                    }
                }
            }
            .white{
                height: 84px;
                width: 1280px;
                margin: 0 auto;
                background-color: white;
            }
            .bott{
                height: 423px;
                width: 1280px;
                margin: 0 auto;
                background-color: #38373d;
                overflow: hidden;
                .bott_mid{
                    width: 900px;
                    margin: 0 auto;
                    margin-top: 40px;
                    overflow: hidden;
                    .bott_mid_img{
                        width: 132px;
                        float: left;
                        margin-top: 182px;
                        .bott_mid_lianxi_two{
                            width: 119px;
                            height: 119px;
                            margin: 0 auto;
                            img{
                                width: 100%;
                            }
                        }
                        .bott_mid_img_p{
                            font-size: 12px;
                            text-align: center;
                            color: white;
                        }
                    }
                    .bott_mid_phone{
                        color: white;
                        width: 326px;
                        overflow: hidden;
                        margin-left: 28px;
                        margin-top: 182px;
                        float: left;
                        .bott_mid_phone_call{
                            font-size: 15px;
                            margin-bottom: 24px;
                        }
                        .bott_mid_phone_text{
                            overflow: hidden;
                            margin-top: 8px;
                            .bott_mid_phone_text_img{
                                width: 14px;
                                height: 20px;
                                float: left;
                            }
                            .bott_mid_phone_text_number{
                                float: left;
                                font-size: 12px;
                                margin-left: 19px;
                            }
                        }
                    }
                    .bott_mid_table{
                        width: 392px;
                        float: left;
                        color: white;
                        p{
                            font-size: 16px;
                            margin-bottom: 11px;
                            margin-left: 20px;
                        }
                        tr{
                            td{
                                .bott_mid_table_your{
                                    width: 170px;
                                    height: 40px;
                                    overflow: hidden;
                                    background-color: #5d6d7e;
                                    border-radius: 5px;
                                    input{
                                        height: 20px;
                                        width: 150px;
                                        display: block;
                                        margin-top: 10px;
                                        margin-left: 5px;
                                        color: white;
                                        background-color: #5d6d7e;
                                    }
                                }
                                .bott_mid_table_textarea{
                                    width: 360px;
                                    height: 145px;
                                    background-color: #5d6d7e;
                                    border-radius: 5px;
                                    textarea{
                                        width: 340px;
                                        margin-left: 10px;
                                        height: 125px;
                                        margin-top: 10px;
                                        background-color: #5d6d7e;
                                        border: none;
                                        color: white;
                                    }
                                }
                            }
                        }
                    }
                    .bott_mid_liuyan{
                        width: 98px;
                        height: 30px;
                        background-color: #3498db;
                        border-radius: 5px;
                        border: none;
                        float: right;
                        margin-right: 34px;
                        color: white;
                        cursor: pointer;
                    }
                    .bott_mid_three{
                        width: 0;
                        height: 0;
                        border-top: 28px solid transparent;
                        border-left: 28px solid transparent;
                        border-right: 28px solid transparent;
                        border-bottom: 28px solid #2c3e50;
                        margin: 327px auto 0;
                    }
                }
            }
            .foot{
                width: 1280px;
                height: 120px;
                background-color: #2c3e50;
                overflow: hidden;
                .foot_text{
                    margin-top: 40px;
                    p{
                        font-size: 13px;
                        color: white;
                        text-align: center;
                    }
                }
            }
        }
    }

